First Met: September 1997, Episode 2.03, "School Hard"

First Kiss: November 1999, Episode 4.09, "Something Blue" ... but they were under a spell at the time, and so the kiss was not truly consensual

First Buffy-Knowing-and-Consensual Kiss: April 2001, Episode 5.18, "Intervention" ... but Spike thought she was the Buffybot, so he was not really aware of the importance of the kiss until it was over

First Fully-Knowing-and-Consensual Kiss: November 2001, Episode 6.07, "Once More, With Feeling" ... FINALLY!

Things In Common: heat and desire, superhuman strength and healing powers, dyed-blonde hair, fighting skills, agility, sense of humor, solving problems with violence, courage, protectiveness, a fondness for leather, a fondness for wearing red and black, love for Dawn, experience with both killing and dying